Off Load Tap-changer

Off Load Tap-Changer The main characteristics of this new series of tap changers are: Speed of installation; Safe and exact switch movement; Exact contact positioning after the switching maneuver; Compact dimensions; Possibility to adapt to the thickness of the transformer tank. These units may...

Product Details

Off Load Tap-Changer The main characteristics of this new series of tap changers are: Speed of installation; Safe and exact switch movement; Exact contact positioning after the switching maneuver; Compact dimensions; Possibility to adapt to the thickness of the transformer tank.

These units may be used with mineral oil or silicon liquid. They are fixed below the transformer cover by a support. They allow adjustment or combinations according to the diagrams given in the following pages. There is no need for washers during assembly because the tap changer adjusts itself according to the thickness of the transformer tank. Oil tightness is provided by O-rings. The catalogue illustrates normally used tap changers and standard accessories. Special tap changers may be designed to meet special requirements. Tap changing procedures are very quick and simple. They must be performed with de-energized transformer in a no-load state. To switch, just lift the knob, rotating it until the desired number or mark coincides with the colored arrow on the washer. Release then the knob and make sure that it is fasten.